Answers

Subtract 4/40 from 4/50

4/50 - 4/40 is -1/50.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 40 is 200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 200
2. For the 1st fraction, since 50 × 4 = 200,
   4/50 = 4 × 4/50 × 4 = 16/200
3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
   4/40 = 4 × 5/40 × 5 = 20/200
4. Subtract the two like fractions:
   16/200 - 20/200 = 16 - 20/200 = -4/200
5. After reducing the fraction, the answer is -1/50

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